Home / 112,766.50-155,617.77-68,054.50

Finding the Fourth Proportional to 112,766.50, 155,617.77 and 68,054.50

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Solution

The fourth proportional to 112,766.50, 155,617.77 and 68,054.50 is: 93,915.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,766.50 : 155,617.77 = 68,054.50 : x
  2. Step 2: Convert to fraction form
    112,766.50/155,617.77 = 68,054.50/x
  3. Step 3: Cross multiply
    112,766.50x = 155,617.77 × 68,054.50
  4. Step 4: Simplify right side
    112,766.50x = 10,590,489,528.47
  5. Step 5: Solve for x
    x = 10,590,489,528.47/112,766.50
  6. Step 6: Final answer
    x = 93,915.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.